﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;

namespace Lyh.Train.Common.Net
{
    public class InternetHelper
    {
        [DllImport("wininet.dll")]
        public extern static bool InternetGetConnectedState(out int connectionDescription, int reservedValue);
    }
}
